XYZ Racing Racing Spec Coilovers — Mercedes-Benz C CLASS W205 8 CYL 4WD (Cancellation Kit for Electronic Damping) 2015-2021

The W205 C63’s factory Airmatic and adaptive damping electronics were built around comfort compromises the standard AMG chassis never fully shakes off, even with the switchable modes maxed out. XYZ Racing’s Racing Spec coilover, fitted with the cancellation kit for the car’s electronic damping, strips that layer out entirely and replaces it with a fixed mechanical platform tuned specifically for the 8-cylinder 4WD W205’s weight and power delivery.

This is a track and time-attack setup, not a fast-road compromise. On a chassis carrying serious AMG V8 torque through all four corners, the priority shifts to consistent contact patch and predictable rotation under trail-braking rather than ride comfort – which is exactly what a fixed-rate, fully adjustable platform is built to deliver.

What this coilover does for your 2015-2021 Mercedes Benz C Class

Removing the factory electronic damping and its constant micro-adjustment means the C63’s rear end stops hunting for a compromise setting mid-corner – what you get instead is a fixed response you can predict lap after session. Height and damping are set once, mechanically, so the front splitter and rear diffuser sit at the ride height you chose for the session rather than whatever the factory ECU decides under load. On the 4WD W205, where power is being fed through all four corners and body control at corner entry directly affects how cleanly the diff can put that power down, a stiffer and more consistent platform reduces the pitch and squat that otherwise eats into traction. The cancellation kit means none of this fights against residual electronic inputs – the mechanical damper is the only voice in the conversation. Braking stability improves too: without the electronic dampers softening under trail-braking, the nose stays planted and the transition into corner rotation becomes far more repeatable.

About the Racing Spec coilover

Racing Spec is XYZ Racing’s dedicated circuit-racing damper, and its baseline settings come directly from the team’s WTCC programme rather than a generic road-tuned starting point. Where a car has already picked up aggressive supporting modifications – wider track, altered geometry, aero – XYZ Racing can build a custom-specification shock absorber around that particular setup rather than shipping a one-size platform. Owners running a specific circuit regularly can supply details of their car’s modifications and the track itself, and XYZ Racing will produce dampers valved around that combination. For the W205 C63 4WD specifically, the cancellation kit variant exists because the factory electronic damping otherwise conflicts with a fixed mechanical setup, so the kit is engineered to remove that interference cleanly rather than leave a workaround bolted on top.

Fitment for the Mercedes Benz C Class (2015-2021)

Built for the W205-chassis C Class, 8-cylinder AMG variant with 4WD drivetrain, covering the 2015 to 2021 production span. This specification includes the cancellation kit required to disable the factory electronic damping system on cars so equipped – fit only against the W205 8 CYL 4WD electronic-damping variant, not the standard mechanical-damper C Class.

What buyers also search for

• Mercedes Benz C Class W205 C63 coilover conversion for electronic damping removal
• Mercedes Benz C Class 4WD track coilover setup for AMG V8 power delivery
• W205 Racing Spec damper with WTCC-derived valving for circuit use
• Mercedes Benz C Class custom shock absorber option for modified track cars
• C Class W205 8 CYL fixed-rate coilover replacing Airmatic and adaptive damping

Spec your W205 C63’s Racing Spec setup, including the electronic damping cancellation kit, and configure yours below.